From bd5d6f753c355311670f41be5a53259e6c5b645c Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Sun, 10 Jun 2007 11:52:53 +0200
Subject: [PATCH] mshtml: Set default scrollbar preferences.

---
 dlls/mshtml/nsembed.c   | 20 +++++++++++++++++++-
 dlls/mshtml/nsiface.idl | 31 ++++++++++++++++++++++++++++++-
 2 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/dlls/mshtml/nsembed.c b/dlls/mshtml/nsembed.c
index f8944e99a5e..df6bcf3f1d0 100644
--- a/dlls/mshtml/nsembed.c
+++ b/dlls/mshtml/nsembed.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005-2006 Jacek Caban for CodeWeavers
+ * Copyright 2005-2007 Jacek Caban for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -1526,6 +1526,7 @@ NSContainer *NSContainer_Create(HTMLDocument *doc, NSContainer *parent)
 {
     nsIDOMWindow *dom_window;
     nsIWebBrowserSetup *wbsetup;
+    nsIScrollable *scrollable;
     NSContainer *ret;
     nsresult nsres;
 
@@ -1642,6 +1643,23 @@ NSContainer *NSContainer_Create(HTMLDocument *doc, NSContainer *parent)
         ERR("GetContentDOMWindow failed: %08x\n", nsres);
     }
 
+    nsres = nsIWebBrowser_QueryInterface(ret->webbrowser, &IID_nsIScrollable, (void**)&scrollable);
+    if(NS_SUCCEEDED(nsres)) {
+        nsres = nsIScrollable_SetDefaultScrollbarPreferences(scrollable,
+                ScrollOrientation_Y, Scrollbar_Always);
+        if(NS_FAILED(nsres))
+            ERR("Could not set default Y scrollbar prefs: %08x\n", nsres);
+
+        nsres = nsIScrollable_SetDefaultScrollbarPreferences(scrollable,
+                ScrollOrientation_X, Scrollbar_Auto);
+        if(NS_FAILED(nsres))
+            ERR("Could not set default X scrollbar prefs: %08x\n", nsres);
+
+        nsIScrollable_Release(scrollable);
+    }else {
+        ERR("Could not get nsIScrollable: %08x\n", nsres);
+    }
+
     return ret;
 }
 
diff --git a/dlls/mshtml/nsiface.idl b/dlls/mshtml/nsiface.idl
index 9643e612ea2..347fd49d1cb 100644
--- a/dlls/mshtml/nsiface.idl
+++ b/dlls/mshtml/nsiface.idl
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005-2006 Jacek Caban for CodeWeavers
+ * Copyright 2005-2007 Jacek Caban for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -1149,6 +1149,35 @@ interface nsIWebBrowserPrint : nsISupports
     nsresult ExitPrintPreview();
 }
 
+[
+    object,
+    uuid(919e792a-6490-40b8-bba5-f9e9ad5640c8)
+]
+interface nsIScrollable : nsISupports
+{
+    enum {
+        ScrollOrientation_X = 1,
+        ScrollOrientation_Y = 2
+    };
+
+    enum {
+        Scrollbar_Auto   = 1,
+        Scrollbar_Never  = 2,
+        Scrollbar_Always = 3
+    };
+
+    nsresult GetCurScrollPos(PRInt32 scrollOrientation, PRInt32 *curPos);
+    nsresult SetCurScrollPos(PRInt32 scrollOrientation, PRInt32 curPos);
+    nsresult SetCurScrollPosEx(PRInt32 curHorizontalPos, PRInt32 curVerticalPos);
+    nsresult GetScrollRange(PRInt32 scrollOrientation, PRInt32 *minPos, PRInt32 *maxPos);
+    nsresult SetScrollRange(PRInt32 scrollOrientation, PRInt32 minPos, PRInt32 maxPos);
+    nsresult SetScrollRangeEx(PRInt32 minHorizontalPos, PRInt32 maxHorizontalPos,
+            PRInt32 minVerticalPos, PRInt32 maxVerticalPos);
+    nsresult GetDefaultScrollbarPreferences(PRInt32 scrollOrientation, PRInt32 *scrollbarPref);
+    nsresult SetDefaultScrollbarPreferences(PRInt32 scrollOrientation, PRInt32 scrollbarPref);
+    nsresult GetScrollbarVisibility(PRBool *verticalVisible, PRBool *horizontalVisible);
+}
+
 [
     object,
     uuid(c8c0a080-0868-11d3-915f-d9d889d48e3c)